Periodicity and anthesis on Theodore Roosevelt Island for the year 1962-1963
Thomas LK. 1963. Periodicity and anthesis on Theodore Roosevelt Island for the year 1962-1963. NPS scientific report no.1. National Park Service, National Capital Region. Washington, DC
A study of anthesis and length of the flowering periods of 286 vascular plants on Theodore Roosevelt Island for one year. Includes background information on the area; description of study methods; and discusses possible reasons for variation in flowering periods.